| Regimental number | 1558 |
| Place of birth | Lorne Victoria |
| Religion | Presbyterian |
| Occupation | Fireman, railway |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Father, Archibald Harper, Lorne, Victoria |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 7th Battalion, 3rd Reinforcement |
| AWM Embarkation Roll number | 23/24/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A54 Runic on |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 1st Pioneer Battalion |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Plaque in New South Wales Garden of Remembrance |
| Family/military connections | Brothers: 6136 Pte Alexander HARPER, 3rd Australian General Hospital, returned to Australia, 2 September 1916; 530 Pte David HARPER, 15th Railway Company, returned to Australia, 21 June 1919. |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |
| Date of death |